/**
 * Copyright (c) 2011 Technical Centre Radio Systems Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package ua.tcrs.tabula.startup.impl;

import java.io.IOException;
import java.io.FileNotFoundException;
import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;

import ua.tcrs.tabula.startup.LibraryLoader;

public class PathLibraryLoader implements LibraryLoader {
	private String path;
	public PathLibraryLoader( String path ) {
		if ( !path.endsWith("/") ) path = path + '/';
		this.path = path;
		
	}
	public String getPath() { return path; }
	
	public ClassLoader getLoader( String name, String version ) throws IOException {
		String libFileName = name + (version.equals("")?"":"-"+version) + ".jar";
		File file = new File( getPath() + libFileName );
		if ( file.exists() ) {
			return new URLClassLoader( new URL[]{new File( getPath() + libFileName ).toURI().toURL()} );
		} else {
			throw new FileNotFoundException( file.getPath() );
		}
	}
}

